There has been a production ready version of Rakudo Perl 6 (https://perl6.org) since Christmas 2015. It has been on a monthly release cycle for years, and a 3-monthly release cycle for Rakudo Star, the "user" distribution (with some bells and whistles added).

Cro (https://cro.services) is a set of libraries for building reactive distributed systems. Comma IDE (https://commaide.com) is an IDE for Perl 6, based on the JetBrains IDEA platform, now in (paid) beta.

If you want to keep up-to-date on Perl 6 development, check out the Perl 6 Weekly (https://p6weekly.wordpress.com).